baber/WOPTO huggingface dataset:
Patent KR-20220046141-A (KR)
Inventor: TAEHWI LEE
IPC: A61L2/10
Filed: 2020-10-07
Abstract: A virtual reality-based eye-health measurement device according to one embodiment of the present invention comprises: an eye-health measurement instrument which provides a virtual reality-based eye-health condition measurement service; and a head-mounted display which outputs a virtual reality image. The eye-health measurement instrument comprises: a body forming a body thereof; a sensor unit which detects the entry or exit of the head-mounted display with respect to a head-mounted display receiving unit disposed on the body; a sterilization unit which sterilizes the head-mounted display introduced into the receiving unit; and a process which controls the sensor unit to acquire protective unit sensing information including at least one among pieces of information about location, area, direction and angle with respect to a face contact protective unit of the head-mounted display introduced into the receiving unit, and configured to tilt the sterilization unit toward the face contact protective unit on the basis of the obtained protective unit sensing information. According to the present invention, the head-mounted display can be maintained in a clean state.
Patent KR-20220047411-A (KR)
Inventor: ROH HUI JEONG
IPC: A63H3/00
Filed: 2020-10-08
Abstract: The present invention relates to a foldable dollhouse that can be transformed from a box-shaped box to another shape. The foldable dollhouse according to the present invention comprises: a bottom portion which is in a rectangular shape; a plurality of side wall portions which extend upward from the floor edges of the bottom portion by being folded, and which forms an accommodating space; and a cover portion which is extendingly formed from an upwardly-extending end of one of the plurality of side wall portions, and which is provided with a cover main body and a folded portion. The cover main body shields an upper part of the accommodating space by being disposed opposite to the bottom portion, and the folded portion is formed in the central region of the cover main body so as to be folded in the horizontal direction with respect to the connection direction of the side wall portions connected to the cover main body.
Patent KR-20220048336-A (KR)
Inventor: SUNGKWANG YANG
IPC: G02B27/01
Filed: 2020-10-12
Abstract: The present invention relates to a method for improving performance of an antenna in an electronic device including multiple antennas to prevent emission performance of an antenna from being degraded, and a device thereof. According to various embodiments of the present invention, the electronic device comprises: at least one display providing at least one of a left eye image and a right eye image; a main frame on which the at least one display is mounted; a first support frame connected to the main frame through a first connection part and including a first antenna; a second support frame connected to the main frame through a second connection part disposed opposite the first connection part and including a second antenna; at least one processor electrically connected to the first antenna and the second antenna; and at least one sensor electrically connected to the at least one processor. When detecting that the electronic device is in an unfolded state by the at least one sensor, the at least one processor performs wireless communication by using the first antenna and the second antenna. When detecting that the electronic device is in a folded state by the at least one sensor, the at least one processor turns off at least one of the first antenna and the second antenna, connects the at least one of the first antenna and the second antenna to the ground, or moves at least one resonant frequency.
Patent KR-20220048612-A (KR)
Inventor: KIM SE MYEONG
IPC: A23L21/15
Filed: 2020-10-13
Abstract: The present invention relates to a method for producing ssanghwa tea jelly and ssanghwa tea jelly produced by the same method. The method comprises the steps of: heating water, agar powder and sugar in a pot; and adding Ssanghwacha to the heated liquid, heating it, and then cooling it.
Patent KR-20220050463-A (KR)
Inventor: YEO DU YONG
IPC: B21D53/30
Filed: 2020-10-16
Abstract: The present invention relates to a method of manufacturing automobile wheels with rims on both sides of the outer circumferential surface of a disc. More specifically, the present invention relates to a method of manufacturing automobile wheels, which is able to select a material for the disc among nonferrous metals having a certain thickness and diameter for manufacturing automobile wheels made of nonferrous metal and having rims on both sides, form an incised groove with a certain depth on the outer circumference of the disc, insert the disc material with the incised groove into a part between a main shaft unit and a pressure unit of a spinning forming apparatus, rotate the disc material, let an extension roller come in contact with the incised unit of the disc material, extend the incised groove into a certain size, form divided main walls for forming rims on both sides of the incised groove, make the divided main walls come in contact with a rim shape mold through a first rim forming machine of the spinning forming apparatus and a second rim forming machine, and successively form rims on both sides of the outer circumferential surface of the disc material. The present invention aims to provide a method of manufacturing automobile wheels with rims on both sides of the outer circumferential surface of a disc, which is capable of reducing the cost.
Patent KR-20220052228-A (KR)
Inventor: HWANG SU HAN
IPC: G06Q30/06
Filed: 2020-10-20
Abstract: The present invention relates to a smart order system, and, more particularly, to a smart order system comprising: a plurality of chairs (10) having pressure sensors (11) for detecting a seated state of a user; a table (20) having a menu ordering device (1); and a rail (40) for connecting the table (20) and a kitchen and allowing a transfer unit (30) to move thereon. Each of the chairs (10) has a unique identification number. When a user sits in the chair (10), the menu ordering device (1) of the table (20) on which the chair is located is activated. The menu ordering device (1) receives menu information from the user and transmits the menu information and the identification number of the chair to a control unit (50). Therefore, the smart order system can automatically provide ordered foods to the table.
Patent KR-20220054957-A (KR)
Title: Explosion proof TRO measuring apparatus
Inventor: PARK SEOG WON
IPC: G01N21/3577
Filed: 2020-10-26
Abstract: The present invention relates to an explosion-proof apparatus for measuring the concentration of residual chlorine. The apparatus comprises: a measurement unit including a light-emitting part and a light-receiving part and having a sample water inlet pipe through which sample water is introduced and a sample water discharge pipe through which sample water after completion of measurement is discharged; a reagent storage unit including a reagent inlet pipe to introduce a reagent into the measurement unit; a control unit which, after light generated by the light-emitting part passes through the sample water, measures the concentration of an oxidant in the sample water on the basis of a signal received by the light-receiving part; an inlet valve and a discharge valve installed in the sample water inlet pipe and the sample water discharge pipe, respectively, and configured by a pneumatic valve; and a reagent injection device installed in the reagent inlet pipe so as to control the inflow of a reagent. The reagent inlet pipe at least includes an elastic pipe made of an elastic material, and the reagent injection device is driven by air to press the elastic pipe. The present invention significantly reduces power consumption.
Patent KR-20220055355-A (KR)
Inventor: HWANG DOSUNG
IPC: A61L2/22
Filed: 2020-10-26
Abstract: The present invention provides a disinfector in which a nozzle unit, an air pump, and a disinfectant solution tank are mounted in order from the front inside a housing, wherein the disinfectant solution tank is installed as an independent configuration at the rear of the air pump, and the air pump is an air compression pump without a blowing fan, thereby having excellent fumigating and disinfecting effects, being compact, and having excellent degree of freedom in design.
Patent KR-20220056336-A (KR)
Inventor: CHOI DONG KIL
IPC: C08K5/42
Filed: 2020-10-28
Abstract: The present invention relates to a thermoplastic resin composition, including: 100 parts by weight of a polycarbonate resin; 0.1-1.5 parts by weight of a first rubber-modified vinyl-based graft copolymer including a diene-based rubbery polymer having an average particle diameter of 50-200 nm; 0.1-1.5 parts by weight of a second rubber-modified vinyl-based graft copolymer including a diene-based rubbery polymer having an average particle diameter of 250-400 nm; 3-15 parts by weight of a phosphazene compound; and 0.05-0.3 parts by weight of an alkali (earth) metal salt of perfluoroalkylsulfonic acid. The thermoplastic resin composition has excellent flame resistance, chemical resistance (post-coating impact resistance), impact resistance, heat resistance, a balance of those physical properties, or the like.
Patent KR-20220057785-A (KR)
Title: Method of manufacturing sensor for detecting ion and sensor for detecting ion manufactured by the same
Inventor: CHO SEUNG MIN
IPC: G01N27/414
Filed: 2020-10-30
Abstract: One embodiment of the present invention provides an ion detection sensor manufacturing method and an ion detection sensor manufactured by the ion detection sensor manufacturing method, in which a manufacturing process is simplified and a manufacturing cost is reduced. The ion detection sensor manufacturing method includes the steps of: preparing an ion sensitive film manufacturing solution; preparing an ion sensitive mixed layer preparation solution by mixing the ion sensitive film manufacturing solution and graphene powder; and filling a space between a source electrode and a drain electrode that are spaced apart from each other, and applying the ion sensitive mixed layer preparation solution to cover at least a portion of an upper portion of the source electrode and the drain electrode to prepare an ion-sensitive mixed layer that is sensitive to target ions.
Patent KR-20220064519-A (KR)
Title: The manufacturing method of ester elastic filament improved in unweaving property
Inventor: KIM JIN HO
IPC: D01D5/098
Filed: 2020-11-12
Abstract: The present invention relates to a method for producing ester-based thermoplastic elastic fibers, and more specifically, to a method for producing ester-based thermoplastic elastic fibers capable of producing polyether-ester elastic fibers having an elastic recovery rate of 80% or more at an elongation of 200% by melting and spinning a polyether ester block copolymer. The method for producing ester-based thermoplastic elastic fibers comprises the following steps: drying thermoplastic elastomeric resin chips with a chip dryer to maintain a moisture rate of 100 ppm or less; melting the thermoplastic elastomeric resin chips dried by the chip dryer, and pressurizing and extruding the same in a form of a molten polymer with an extruding device; spinning the molten polymer pressurized and extruded by the extruding device in a form of a plurality of filament yarns through a spinneret having a plurality of spinning holes; forming a fiber yarn by twisting the plurality of filament yarns cooled while being spun through the spinneret with an air jet twist nozzle of a spinning device; winding the fiber yarn bonded by the spinning device at a speed of 300-400 m/min in a first godet roller; winding the fiber yarn wound by the first godet roller at a speed of 700-900 m/min at a second godet roller; and winding the fiber yarn wound by the second godet roller at a speed of 600-700 m/min in a winder.
Patent KR-20220069591-A (KR)
Title: Method for manufaturing ankle foot orthosis and the ankle foot orthosis manufactured by the same method
Inventor: YU HONG JONG
IPC: A61F5/01
Filed: 2020-11-20
Abstract: Provided are a method for manufacturing an ankle foot orthosis and the ankle foot orthosis manufactured by the same method. The method include steps of: scanning an ankle foot; measuring and diagnosing the scan data; generating a skeleton based on the scan data; anatomically correcting the shape of the skeleton; designing a corrected 3D shape; and 3D printing the designed 3D data. By presenting a scientific standard for correction, the correction effect of a patient can be maximized, and a comfortable orthosis can be provided to the patient in a short time.
Patent KR-20220071612-A (KR)
Title: Multi-purpose drone with carbon composite material loading box
Inventor: CHOI DONGMIN
IPC: B64D1/02
Filed: 2020-11-24
Abstract: The present invention relates to a multi-purpose drone with a carbon composite material loading box, and more specifically, to a multi-purpose drone with a carbon composite material loading box, which is characterized by comprising: a canopy in which a plurality of propellers are rotatably installed, and a circuit board and electronic components are accommodated for operating a drone; a skid including a pair of landing units coming in contact with the landing surface when the drone is landed, and connecting frame units, each of which has one side connected to each of the landing units, and the other side connected to the canopy; and a loading box which is provided to accommodate agriculture materials such as fertilizers or forestry crops such as saplings, is made of a material including a carbon composite material, and is installed to be supported at the portion between one side and the other side of the connecting frame units. Therefore, the present invention can provide a lightweight structure, and structural stability.
Patent KR-20220073876-A (KR)
Inventor: SEO JUNG SOO
IPC: B01F35/00
Filed: 2020-11-26
Abstract: 본 발명은 미생물을 이용한 유기물 처리장치에 관한 것이다.  
 미생물로 처리할 수 있는 유기물의 종류는 음식물 쓰레기, 가축의 사체, 가축의 분뇨 등을 의미한다. 
이러한 유기물을 본 발명의 회전하는 원통 내부에 공급하면, 외피 및 일정길이 피치각이나 이송 기능이 있는 나선형 날개가 있는 회전 원통형으로,  일정 회전되게 하여 회전하게 하면, 처음 입구에 위치한 유기물들이 미생물에 의해 분해되면서 자연적으로 강제 이송되어, 일정 회전수가 도달되는 과정에 미생물로 분해되고 출구로 강제 이동되어 자동 배출되는 특징의  미생물을 이용한 유기물 처리장치에 관한 것이다.
Patent KR-20220073907-A (KR)
Inventor: JUNG EUI SUN
IPC: A47C7/00
Filed: 2020-11-27
Abstract: 이러한, 본 발명은 바바퀴를 보호하기에 용이하도록 실리콘 재질로 만들어져있는 반구 형태의 본체(1)와 크기 조절이 용이하도록 본체의 정면에 부착된 구멍형 걸이(2)와, 연결용 돌출부(3)를 포함하여 구성되는 것을 특징으로 하는 바퀴가 부착된 의자의 바퀴 실리콘 보호구를 포함하여 구성된다. 상술한 바와 같이 본 발명에 따른 바퀴가 부착된 의자의 바퀴 실리콘 보호구에 의하면, 지정된 크기의 바퀴에만 적용할 수 있는 것이 아니라 연결용 돌출부와 구멍형 걸이를 통해 크기를 바퀴 크기에 맞춰 크기 조절이 가능하다는 장점이 있다. 또한, 보호구를 바퀴에 부착할 시 이물질이 바퀴에 들어가지 않는다는 장점이 있다. 또한, 보호구를 바퀴에 부착할 시 바퀴의 수명이 확연히 길어진다는 장점이 있다. 또한, 보호구 전체를 실리콘으로 제작함으로써 생산 가격이 적고, 비교적 단순하다는 장점이 있다.
Patent KR-20220073955-A (KR)
Title: 금속 원소 도핑 pcs 제조방법
Inventor: CHO KWANG YOUN
IPC: C08G77/02
Filed: 2020-11-27
Abstract: 본 기술은 도핑하고자 하는 금속의 알콕사이드를 용매에 용해시켜, 금속 알콕사이드 용액을 제조하는 단계; 고체상 PCS(polycarbosilane)를 용매에 용해시켜, PCS 용액을 제조하는 단계; 상기 금속 알콕사이드 용액 및 상기 PCS 용액을 혼합하는 단계; 및 용매를 제거하는 단계를 포함하는 금속 도핑 PCS의 제조 방법에 관한 것이다.
Patent KR-20220074621-A (KR)
Title: 산성 이온교환수지를 이용한 이종 선형 카보네이트 제조방법
Inventor: HAN EUN HYE
IPC: C07C67/62
Filed: 2020-11-27
Abstract: 본 명세서는, 촉매의 존재 하에, 지방족 알코올과 대칭 선형 카보네이트를 에스테르 교환 반응시키는 단계를 포함하고, 상기 촉매는, 산성 이온교환수지이며, 상기 지방족 알코올과 대칭 선형 카보네이트의 질량비(지방족 알코올: 대칭 선형 카보네이트)가 1:10 이상, 50:1 이하인 것인 이종의 선형 카보네이트의 제조 방법을 제공한다.  
본 명세서의 제조 방법은, 반응 증류의 공정 없이, 고수율로 이종의, 대칭 선형카보네이트 및 비대칭 선형 카보네이트의 제조 방법을 제공할 수 있고, 생성물과 촉매를 용이하게 분리할 수 있어 경제적이다.
Patent KR-20220075801-A (KR)
Inventor: JEON HAE SOOK
IPC: G07C5/02
Filed: 2020-11-30
Abstract: 사고 선박의 항적 브리핑 장치 및 이를 이용한 방법이 개시된다.  본 발명의 일실시예에 따른 사고 선박의 항적 브리핑 방법은 적어도 하나의 사고 선박에 구비된 항해 장비로부터 항적 데이터를 수집하는 단계; 상기 항적 데이터를 기설정된 표준 포맷으로 변환하는 단계; 및 상기 표준 포맷으로 변환된 항적 데이터를 하나의 전자 해도 상에 오버레이(OVERLAY) 또는 사고 재연하여 상기 적어도 하나의 사고 선박의 사고 당시 항적을 브리핑하는 단계를 포함한다.
Patent KR-20220076776-A (KR)
Inventor: KIM HAG SEOUNG
IPC: B65D90/00
Filed: 2020-12-01
Abstract: 본 발명은, 컨테이너 체결 장치에 관한 것이다. 이러한 컨테이너 체결 장치는, 제1 컨테이너의 제1 모서리쇠의 제1 구멍에 삽입되어 상기 제1 모서리쇠에 결합되는 제1 끼움쇠, 제2 컨테이너의 제2 모서리쇠의 제2 구멍에 삽입되어 상기 제2 모서리쇠에 결합되는 제2 끼움쇠 및 상기 제1 끼움쇠 및 상기 제2 끼움쇠와 나사 결합하고, 소정의 방향으로 회전하여 상기 제1 끼움쇠 및 상기 제2 끼움쇠 간의 거리를 조절 가능한 나사기둥을 포함하며, 상기 제1 끼움쇠는 상기 제1 끼움쇠의 수평 방향 회전을 방지하는 제1 잠금부를 구비한다.
Patent KR-20220078142-A (KR)
Title: 대규모 다중 입력 다중 출력 시스템에서 빔 패턴 조절을 통한 동적 소모 전력 절감을 위한 장치
Inventor: KIM MOON HONG
IPC: H04B7/0426
Filed: 2020-12-03
Abstract: 본 발명의 대규모 다중 입력 다중 출력 시스템에서 빔 패턴 조절을 통한 동적 소모 전력 절감을 위한 장치는 각각이 복수의 안테나소자를 포함하는 복수의 안테나어레이를 포함하는 안테나부와, 상기 복수의 안테나소자 각각에 대응하여 송수신되는 무선 신호를 처리하기 위한 복수의 전력증폭기 및 복수의 위상조절기를 포함하는 복수의 무선소자를 포함하는 신호처리부와, 커버리지 영역의 트래픽의 부하 정도를 나타내는 영역트래픽부하 조건 및 사용자의 체감 속도를 나타내는 사용자피크데이터 조건 중 적어도 하나에 따라 상기 복수의 안테나소자 중 적어도 하나를 비활성화시키도록 복수의 무선소자를 제어하는 제어부를 포함한다.
Patent KR-20220082201-A (KR)
Title: 벤젠설폰아미드 유도체 및 이를 유효성분으로 함유하는 방사선 방호용 조성물
Inventor: ANN JI YEON
IPC: A61K31/423
Filed: 2020-12-10
Abstract: 본 발명은 신규한 벤젠설폰아미드 유도체 및 이를 유효성분으로 함유하는 방사선 방호용 조성물에 관한 것으로, 상기 신규한 벤젠설폰아미드 유도체는 정상세포와 암세포의 세포 생존에 영향을 나타내지 않으며, 상기 벤젠설폰아미드 유도체가 전처리된 정상폐섬유아세포 및 인간폐암세포의 방사선 조사에 의한 세포 사멸 저해 효과가 확인됨에 따라, 상기 벤젠설폰아미드 유도체는 방사선 방호용 조성물 및 방사선 피폭에 의한 세포 손상 예방 또는 완화용 약학조성물로 제공될 수 있다.
Patent KR-20220085374-A (KR)
Title: 가상 주행 시나리오 기반 레이더 다중 타겟 생성 장치
Inventor: JAE HOON LIM
IPC: G01S7/40
Filed: 2020-12-15
Abstract: 가상 주행 시나리오 기반 레이더 다중 타겟 생성 장치가 개시된다. 본 발명의 가상 주행 시나리오 기반 레이더 다중 타겟 생성 장치는 가상의 주행 시나리오를 생성하여 타겟에 대한 타겟 정보를 생성하는 시뮬레이션 툴; 레이더와 신호를 송수신하는 타겟 생성 모듈; 타겟 생성 모듈을 수평방향으로 회전시키는 회전 구동부; 및 시뮬레이션 툴에 의해 생성된 타겟 정보에 따라 타겟 생성 모듈과 회전 구동부 중 적어도 하나를 제어하여 타겟의 이동을 모사하는 시뮬레이션 제어기를 포함하는 것을 특징으로 한다.를 포함하는 것을 특징으로 한다.
Patent KR-20210082085-A (KR)
Title: Corrosion resistant material for semiconductor manufacturing apparatus
Inventor: SATO RYUICHI
IPC: C04B35/515
Filed: 2020-12-17
Abstract: The objective of the present invention is to provide a material suitable for detecting a damaged spot on a surface of a semiconductor-fabricating apparatus or a component member thereof, the damaged spot being caused by dry etching, a method for producing the material, and a method for detecting the damaged spot. A corrosion-resistant material for a semiconductor-fabricating apparatus comprises: a base material having dry-etching resistance; and an element imparting a luminous ability of visible light by ultraviolet-light radiation to the base material. The base material is preferably an oxide containing a rare-earth element, a halide and an oxyhalogenated material, and the element imparting the luminous ability thereof to the base material is preferably europium and terbium. The corrosion-resistant material can be provided on a surface of a semiconductor-fabricating apparatus or a component member thereof by being formed into a molded body or a sintered body or by being formed into a film, thereby detecting a damaged spot caused by dry etching.
Patent KR-20220089402-A (KR)
Inventor: LEE JONG SUB
IPC: A24F40/50
Filed: 2020-12-21
Abstract: 에어로졸 생성장치가 개시된다. 본 개시의 에어로졸 생성장치는, 에어로졸 생성물질을 수용하는 제1 컨테이너; 상기 에어로졸 생성물질을 가열하는 히터; 회전축을 기준으로 회전 가능하고, 서로 구획된 복수의 챔버를 포함하는 제2 컨테이너; 상기 제2 컨테이너의 회전에 대응하는 신호를 출력하는 제1 센서; 메시지를 출력하는 적어도 하나의 출력장치; 및 제어부를 포함하고, 상기 제어부는, 상기 제1 센서로부터 수신되는 신호에 기초하여, 상기 복수의 챔버의 배치 및 사용 정도 중 적어도 하나와 관련된 메시지를, 상기 적어도 하나의 출력장치를 통해 출력할 수 있다.
Patent KR-20220091200-A (KR)
Inventor: JUNG Kyoungmoon
IPC: C08G18/42
Filed: 2020-12-23
Abstract: 본 발명은 적어도 한쪽 말단에 라디칼 중합성 관능기를 갖는 우레탄 올리고머, 희석 모노머 및 광개시제를 포함하는 점착제 조성물로서, 경화 후 점착제층의 -20℃ 및 1Hz에서 저장탄성율(G')이 3 내지 30 kPa이고, 굴곡직경 1.5R로 굴곡시켰을 때의 굴곡응력이 190gf 이하인 점착제 조성물을 제공한다.  본 발명에 따른 점착제 조성물은 롤러블 디스플레이에 적용시 신뢰성을 확보할 수 있고 폴딩성도 우수하다.
Patent KR-20220091817-A (KR)
Title: Composite Beam
Inventor: KIM SANG SEUP
IPC: E04C3/06
Filed: 2020-12-24
Abstract: The present invention relates to a composite beam reusable after a fire, capable of forming a cross section of a steel beam by integrating a pair of z-shaped steel plates with a U-shaped lower steel plate and an upper part of the U-shaped lower steel plate through a high-strength bolt while inserting a horizontal reinforcement material between the U-shaped lower plate and the z-shaped steel plates, thereby eliminating the need to reflect the horizontal reinforcement material to proof stress during a structure design to secure spare strength adding structural proof stress, and doubling the proof stress due to the backside friction of the high-strength bolt to eliminate the need for the additional installation or reinforcement of an internal high-strength bolt after a fire. In accordance with one advisable embodiment of the present invention, the composite beam includes a steel beam, and concrete placed and cured in the steel beam to be integrated with the steel beam. The steel beam includes: a lower steel plate including a lower horizontal plate, a vertical plate extended vertically upward from each of both ends of the lower horizontal plate, and an upper horizontal plate extended from an upper end of the vertical plate to be extended inward in parallel with the lower horizontal plate; a plate-shaped horizontal reinforcement material formed at every interval of a longitudinal direction of the lower steel plate; a z-shaped steel plate comprising an upper plate, a side plate extended vertically downward from one end of the upper plate, and a lower plate extended from a lower end of the side plate in an opposite direction thereof in parallel with the upper plate, and combining the upper horizontal plate of the lower steel plate with the lower plate through a high-strength bolt such that the upper plate can head to the outside from an upper part of the horizontal reinforcement material; a reinforcement angle formed to connect lower plates of one pair of z-shaped steel plates on a position between horizontal reinforcement materials; and gap keeping materials installed at regular intervals in a longitudinal direction of the z-shaped steel plates to connect side plates of the pair of z-shaped steel plates with each other.
Patent KR-20220094904-A (KR)
Inventor: KIM NAM SEONG
IPC: H01S3/08
Filed: 2020-12-29
Abstract: To achieve the above-stated purpose, the present invention includes: an optical cable having a sheath into which an optical fiber core having a circular or polygonal cross section is inserted; a cylindrical housing; an optical connector connecting the optical cable with the housing; a collimation lens provided in the housing to convert a gaussian beam inputted from the optical connector or a laser beam of a spatial beam profile of a similar shape into a parallel beam; a flat-top beam conversion means provided in the housing to convert a beam mode of the laser beam converted into the parallel beam through the collimation lens, into a laser beam of a flat-top beam profile shape to be used for a laser soldering process; and a permeable dust shielding member provided between the collimation lens and the flat-top beam conversion means in the housing to block various types of dust and foreign substances, which are introduced from the outside during the procedure of connecting or disconnecting the optical connector and the housing or are produced by a scratch between the housing and the optical connector, such that the dust and the foreign substances cannot be introduced into the collimation lens. Therefore, the present invention is capable of significantly improving the degree of design freedom including a cost reduction and a length reduction.